HPI Racing Cylinder/Piston Set F4.1Tower Stock# LXMUR9 • Manufacturer Stock# 1455
Notes from our tech department:
HPI Nitro Star F4.1 Engine.
ABC construction, "A"luminum piston with a "B"rass liner that is
One Cylinder and Piston for the HPI Nitro Star F4.1 Engine
Installing into engine.